Many friends have also heard that purple casserole is poisonous. Is the purple casserole poisonous? Discuss this question with you: Is the purple casserole poisonous? In fact, in the words of the merchants who distribute purple casseroles, other casseroles are glazed, and the glaze contains lead and is toxic. But the purple casserole is not glazed, so it is non-toxic. It is clearly pointed out that purple sand pottery, as a kind of pottery, is more sanitary and safer than other metal and organic products when used as tableware. Proper addition of iron oxide, manganese oxide and nickel oxide to produce ceramic products is a stable and mature production process, and qualified products will not endanger human health. Purple sand has been used in cooking and drinking utensils for more than 65,438+0,000 years. After consulting data and modern scientific detection and analysis, it is proved that it does not contain any harmful elements According to Compendium of Materia Medica, it is proved that natural high-quality five-color stone grease is one of the important raw materials for high-quality purple sand mud and purple sand mine. The efficacy of five-color stone grease determines the health care function of purple sand products, and the quality of five-color stone grease determines the quality of purple sand products. Modern research shows that trace elements such as iron, iodine, copper, manganese, zinc, cobalt, chromium, selenium, fluorine, silicon, tin and vanadium are closely related to the life activities of the body, and their importance exceeds that of vitamins. In purple sand, the content of iron oxide can reach about 8%, and the content of trace elements such as silicon and manganese is also relatively high. Other elements such as calcium, magnesium, sodium and potassium are also important elements needed by human body. Therefore, the inner container of purple clay pot, like medical stone, is a mineralized environment to help the human body absorb important elements. A truly qualified purple casserole is non-toxic.